jquery.ui.draggable.js in jquery-ui-rails-0.4.0

- old
+ new

@@ -1,11 +1,11 @@
 //= require jquery.ui.core
 //= require jquery.ui.widget
 //= require jquery.ui.mouse
 
 /*!
- * jQuery UI Draggable 1.8.19pre
+ * jQuery UI Draggable 1.8.20
  *
  * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
  * Dual licensed under the MIT or GPL Version 2 licenses.
  * http://jquery.org/license
  *
@@ -210,12 +210,18 @@
 		if(this.dropped) {
 			dropped = this.dropped;
 			this.dropped = false;
 		}
 		
-		//if the original element is removed, don't bother to continue if helper is set to "original"
-		if((!this.element[0] || !this.element[0].parentNode) && this.options.helper == "original")
+		//if the original element is no longer in the DOM don't bother to continue (see #8269)
+		var element = this.element[0], elementInDom = false;
+		while ( element && (element = element.parentNode) ) {
+			if (element == document ) {
+				elementInDom = true;
+			}
+		}
+		if ( !elementInDom && this.options.helper === "original" )
 			return false;
 
 		if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
 			var self = this;
 			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
@@ -507,10 +513,10 @@
 	}
 
 });
 
 $.extend($.ui.draggable, {
-	version: "1.8.19pre"
+	version: "1.8.20"
 });
 
 $.ui.plugin.add("draggable", "connectToSortable", {
 	start: function(event, ui) {
 